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25Articles & Guides
Articles & Guides
In-depth articles and integration guides
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25+ CRM APIs to integrate with
CRMs connect with various moving components, and integration is the name of the game. Therefore, CRMs typically open up with a RESTful API to integrate with partners. If you're in the market for CRM integrations, we've got you covered. Here are 25+ CRM APIs available right now.
03
How to Simplify SaaS Integrations
Most companies run on 100+ SaaS tools, but the real problem isn’t the apps, it’s the gaps between them. This guide shows you how to simplify integrations step by step: from mapping data flows to choosing the right tools, avoiding costly pitfalls, and scaling without drowning your developers in maintenance.
04
How to Vibecode API Integrations
Learn how to build API integrations with Cursor, Claude Code, Codex, Lovable, and Bolt.new, where vibe coding works best, where it falls short, and how security, maintenance, and long term costs affect production use.
05
What Is a Webhook? How Webhooks Work, With Examples
Webhooks let one application push real-time data to another the moment an event happens. Learn how webhooks work, what a webhook endpoint is, how they compare to APIs and polling, see real-world examples from Stripe, GitHub, Slack, and Discord, and get practical guidance on building receivers, security, and testing.
06
API Auth: Authentication Methods and Examples
In this guide, we will explore several common API authentication methods, including Basic Auth, API keys, OAuth, OpenID Connect (OIDC), Integration System User (ISU), Hash-Based Message Authentication Code (HMAC), and Certificate Signing Request (CSR). For each method, we will discuss how it works, as well as the advantages and disadvantages associated with its use.
07
NetSuite Integration Guide
In this deep dive, we break down what NetSuite integration actually looks like in production, from sync patterns and API options to governance limits, concurrency constraints, and the real issues teams run into at scale. With architecture principles, clear decision frameworks, and hands on implementation tips, you’ll walk away with a practical blueprint for building NetSuite integrations that are reliable, secure, and built to handle growth.
08
The Apideck Field Guide to the Sage Portfolio (A Global Glossary)
A complete glossary of every Sage product across regions, from Sage Intacct to Sage 50 France. Identify what your customer actually uses, its API status, and integration viability at a glance.
09
The Sage API Playbook: Why 'Sage Cloud' Is Not One API
What looks like one Sage integration quickly turns into six. This article breaks down why building a Sage integration is a trap: how each Sage product is a completely different platform, what that means for your engineering roadmap, and why teams underestimate the cost until it is too late.
10
Best Unified API Platforms for Developers and SaaS Teams (2026)
Comparing the best unified API platforms for accounting, CRM, and HRIS integrations in 2026. This guide covers Apideck, Merge, Codat, Workato, Unified.to, Kombo, Rutter, Chift, and Knit, with a deep focus on unified accounting API coverage, real-time data access, pricing models, and developer tradeoffs for B2B SaaS and fintech teams.
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Top API Integration Tools in 2026
This article breaks down API integration tools, from iPaaS to unified APIs and marketplaces, showing how they save months of development, cut complexity, and help companies scale faster. With real-world examples, it’s a clear guide to choosing the right tool for your business growth.
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What is a Unified API?
A Unified API is a single interface that connects your application to multiple APIs in the same software category through one standardized endpoint. You authenticate once, write your integration code once, and get normalized data back from any provider.
13
CRM Partnership Guide
Learn which CRM integrations require partnerships vs. ready-to-use connectors (Salesforce, Hubspot, Zoho). Complete guide to Apideck's 20+ CRM API partnership requirements, fees, and setup steps.
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API Aggregator: What It Is, How It Works, and How to Choose One
Learn what an API aggregator is, how it works under the hood, and what to look for when choosing one. Covers open banking, accounting, HRIS, and CRM aggregators.
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Top Merge.dev Alternatives for SaaS Teams in 2026
Looking for a merge.dev alternative? This technical comparison covers the best alternatives to merge.dev for B2B SaaS, vertical SaaS, and fintech teams, including architecture, real-time vs cached data, pricing, and developer experience across platforms like Apideck, Paragon, Codat, and others.
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Agent Auth: Why OAuth Wasn't Built for This
OAuth 2.0 was designed for clients known at build time. As AI agents make runtime decisions, delegate to sub-agents, and traverse trust boundaries, the cracks are showing. A practical breakdown of MCP OAuth 2.1, A2A, AAuth, WIMSE, and what a production-grade agent auth architecture looks like today.
17
Next-Gen ERPs and the Future of Enterprise Systems
Traditional ERPs demand long, costly implementations—but a new generation is rewriting the rules. In this article, we explore how AI-native platforms like Odoo, DualEntry, Digits, Rillet, Tailor, and Campfire deliver automation and natural language queries.
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What is API Integration
API integration is the process of connecting two or more software systems through their APIs so they can exchange data.
19
Top Benefits of Unified APIs
Discover how Unified APIs are transforming the way SaaS companies build and scale integrations. This article breaks down the hidden costs of traditional integrations, shows how Unified APIs cut development time by up to 80%, and explains how they unlock scalability, security, and innovation. Learn how to free your engineering team from endless maintenance and accelerate product growth.
20
Why an Integration Platform Beats Point-to-Point SaaS Integrations
Point to point integrations seem easy at first but quickly turn into a maintenance nightmare. This article reveals why an integration platform is the smarter, scalable path for SaaS companies that want to grow.
21
How to Connect with the HubSpot API
Learn how to connect to HubSpot API with OAuth 2.0, handle rate limits, manage lifecycle stages, and avoid common integration pitfalls. Complete implementation guide with TypeScript examples, webhook setup, and solutions to undocumented API quirks.
22
Unified APIs vs. Zapier: What's the Difference and Who Are They For?
Discover the key differences between Unified APIs like Apideck and iPaaS tools like Zapier. Learn who they’re for, how they handle data, and which is right for your use case—whether you're building native integrations or automating workflows.
23
Redefining our SDKs Developer Experience
We introduce our newly revamped SDKs, now powered by Speakeasy, which represent a major upgrade over our previous versions built with an open-source OpenAPI generator. These new SDKs overcome past limitations by offering significant improvements in usability, error handling, and performance.
24
The Engineer’s Guide to Embedded iPaaS and Unified APIs
The means to integrate with software-as-a-service (SaaS) providers has become an absolute must in how we build systems today. The vast majority of applications rely on integrations with SaaS APIs to provide embedded functionality regardless of the industry or vertical and, as the Gartner 2023 Global Software Buyers Guide shows, is a very important factor in acquiring new solutions.
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10 ways to build a developer community
Strong developer communities are fundamental to a thriving software ecosystem. By uniting programmers around a common subject, communities enable users to share ideas, progress software projects, support each other and have fun. Vibrant engagement sparks creativity and collaboration that would otherwise be impossible to replicate without a strong community foothold. While developer communities typically form quite naturally, there are ways to encourage one to arise around your project or API.